Wrote more tests for hierarchy.is_isomorphic.
Wrote more tests for hierarchy.is_isomorphic.

vberaudi/scipy,Gillu13/scipy,petebachant/scipy,pbrod/scipy,petebachant/scipy,anntzer/scipy,person142/scipy,scipy/scipy,grlee77/scipy,jakevdp/scipy,woodscn/scipy,gertingold/scipy,gertingold/scipy,mingwpy/scipy,aman-iitj/scipy,witcxc/scipy,nonhermitian/scipy,rgommers/scipy,hainm/scipy,andyfaff/scipy,sauliusl/scipy,Eric89GXL/scipy,piyush0609/scipy,andim/scipy,mdhaber/scipy,zaxliu/scipy,Gillu13/scipy,endolith/scipy,hainm/scipy,WillieMaddox/scipy,nvoron23/scipy,matthewalbani/scipy,zxsted/scipy,jonycgn/scipy,maniteja123/scipy,surhudm/scipy,befelix/scipy,aarchiba/scipy,futurulus/scipy,ortylp/scipy,ChanderG/scipy,pnedunuri/scipy,ChanderG/scipy,fernand/scipy,Stefan-Endres/scipy,andim/scipy,pnedunuri/scipy,niknow/scipy,person142/scipy,sargas/scipy,chatcannon/scipy,gdooper/scipy,lukauskas/scipy,haudren/scipy,teoliphant/scipy,arokem/scipy,ilayn/scipy,anielsen001/scipy,maniteja123/scipy,jakevdp/scipy,aman-iitj/scipy,vhaasteren/scipy,futurulus/scipy,josephcslater/scipy,aarchiba/scipy,Kamp9/scipy,richardotis/scipy,josephcslater/scipy,teoliphant/scipy,arokem/scipy,bkendzior/scipy,jamestwebber/scipy,vberaudi/scipy,cpaulik/scipy,fredrikw/scipy,sonnyhu/scipy,mhogg/scipy,vhaasteren/scipy,zerothi/scipy,sauliusl/scipy,haudren/scipy,pbrod/scipy,Newman101/scipy,richardotis/scipy,sargas/scipy,mingwpy/scipy,aarchiba/scipy,sriki18/scipy,trankmichael/scipy,matthew-brett/scipy,ortylp/scipy,ogrisel/scipy,endolith/scipy,mortonjt/scipy,andyfaff/scipy,nonhermitian/scipy,Eric89GXL/scipy,FRidh/scipy,apbard/scipy,njwilson23/scipy,argriffing/scipy,endolith/scipy,gdooper/scipy,mdhaber/scipy,Shaswat27/scipy,WarrenWeckesser/scipy,dch312/scipy,anntzer/scipy,fredrikw/scipy,andim/scipy,zerothi/scipy,jor-/scipy,zxsted/scipy,WarrenWeckesser/scipy,Gillu13/scipy,WillieMaddox/scipy,dch312/scipy,jjhelmus/scipy,witcxc/scipy,juliantaylor/scipy,jor-/scipy,WillieMaddox/scipy,vanpact/scipy,Kamp9/scipy,jseabold/scipy,anielsen001/scipy,fernand/scipy,apbard/scipy,behzadnouri/scipy,nvoron23/scipy,felipebetancur/scipy,Shaswat27/scipy,mtrbean/scipy,nvoron23/scipy,newemailjdm/scipy,andyfaff/scipy,mingwpy/scipy,juliantaylor/scipy,kleskjr/scipy,argriffing/scipy,pnedunuri/scipy,dominicelse/scipy,ChanderG/scipy,rmcgibbo/scipy,argriffing/scipy,pschella/scipy,Shaswat27/scipy,vberaudi/scipy,bkendzior/scipy,matthewalbani/scipy,befelix/scipy,witcxc/scipy,piyush0609/scipy,pbrod/scipy,tylerjereddy/scipy,Dapid/scipy,Srisai85/scipy,rmcgibbo/scipy,Gillu13/scipy,pbrod/scipy,futurulus/scipy,jor-/scipy,ales-erjavec/scipy,ndchorley/scipy,vigna/scipy,woodscn/scipy,mortada/scipy,kalvdans/scipy,gef756/scipy,kalvdans/scipy,Stefan-Endres/scipy,jakevdp/scipy,sriki18/scipy,gef756/scipy,trankmichael/scipy,jseabold/scipy,richardotis/scipy,ortylp/scipy,aarchiba/scipy,Eric89GXL/scipy,witcxc/scipy,apbard/scipy,nmayorov/scipy,surhudm/scipy,minhlongdo/scipy,matthew-brett/scipy,kleskjr/scipy,minhlongdo/scipy,ales-erjavec/scipy,raoulbq/scipy,matthew-brett/scipy,jjhelmus/scipy,juliantaylor/scipy,mgaitan/scipy,mikebenfield/scipy,jjhelmus/scipy,mortonjt/scipy,maciejkula/scipy,jakevdp/scipy,mortada/scipy,ortylp/scipy,mgaitan/scipy,jonycgn/scipy,gfyoung/scipy,njwilson23/scipy,petebachant/scipy,Gillu13/scipy,sargas/scipy,ogrisel/scipy,mortonjt/scipy,giorgiop/scipy,dominicelse/scipy,chatcannon/scipy,vigna/scipy,piyush0609/scipy,fernand/scipy,mingwpy/scipy,pnedunuri/scipy,befelix/scipy,futurulus/scipy,pyramania/scipy,Newman101/scipy,mgaitan/scipy,felipebetancur/scipy,pyramania/scipy,mdhaber/scipy,WillieMaddox/scipy,mingwpy/scipy,mortada/scipy,Eric89GXL/scipy,vhaasteren/scipy,Shaswat27/scipy,matthewalbani/scipy,gef756/scipy,Srisai85/scipy,argriffing/scipy,nvoron23/scipy,pizzathief/scipy,apbard/scipy,zerothi/scipy,sriki18/scipy,grlee77/scipy,bkendzior/scipy,dch312/scipy,zaxliu/scipy,gertingold/scipy,zerothi/scipy,efiring/scipy,sargas/scipy,zaxliu/scipy,vberaudi/scipy,anielsen001/scipy,mikebenfield/scipy,sauliusl/scipy,vanpact/scipy,tylerjereddy/scipy,andim/scipy,jsilter/scipy,surhudm/scipy,aeklant/scipy,mhogg/scipy,scipy/scipy,haudren/scipy,felipebetancur/scipy,tylerjereddy/scipy,mortonjt/scipy,Newman101/scipy,WarrenWeckesser/scipy,sriki18/scipy,lukauskas/scipy,zxsted/scipy,surhudm/scipy,lhilt/scipy,piyush0609/scipy,haudren/scipy,cpaulik/scipy,hainm/scipy,Dapid/scipy,ndchorley/scipy,rmcgibbo/scipy,raoulbq/scipy,maniteja123/scipy,andyfaff/scipy,kleskjr/scipy,niknow/scipy,tylerjereddy/scipy,chatcannon/scipy,anntzer/scipy,nvoron23/scipy,grlee77/scipy,sonnyhu/scipy,richardotis/scipy,Dapid/scipy,newemailjdm/scipy,jsilter/scipy,endolith/scipy,richardotis/scipy,mingwpy/scipy,minhlongdo/scipy,raoulbq/scipy,pyramania/scipy,dominicelse/scipy,endolith/scipy,lhilt/scipy,jamestwebber/scipy,Srisai85/scipy,mdhaber/scipy,Kamp9/scipy,person142/scipy,mtrbean/scipy,chatcannon/scipy,aeklant/scipy,endolith/scipy,vigna/scipy,felipebetancur/scipy,Eric89GXL/scipy,ogrisel/scipy,aman-iitj/scipy,zerothi/scipy,mortonjt/scipy,sriki18/scipy,nmayorov/scipy,newemailjdm/scipy,vigna/scipy,grlee77/scipy,ndchorley/scipy,minhlongdo/scipy,larsmans/scipy,kalvdans/scipy,newemailjdm/scipy,jamestwebber/scipy,jakevdp/scipy,behzadnouri/scipy,befelix/scipy,lhilt/scipy,Dapid/scipy,scipy/scipy,nmayorov/scipy,felipebetancur/scipy,lukauskas/scipy,giorgiop/scipy,aman-iitj/scipy,larsmans/scipy,zxsted/scipy,gdooper/scipy,mhogg/scipy,anielsen001/scipy,giorgiop/scipy,gfyoung/scipy,Newman101/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,rmcgibbo/scipy,aeklant/scipy,mdhaber/scipy,pschella/scipy,gfyoung/scipy,trankmichael/scipy,lhilt/scipy,fredrikw/scipy,mgaitan/scipy,ales-erjavec/scipy,e-q/scipy,e-q/scipy,apbard/scipy,ogrisel/scipy,zxsted/scipy,trankmichael/scipy,ChanderG/scipy,dch312/scipy,pbrod/scipy,maniteja123/scipy,gfyoung/scipy,kalvdans/scipy,vanpact/scipy,andyfaff/scipy,minhlongdo/scipy,mgaitan/scipy,larsmans/scipy,raoulbq/scipy,mtrbean/scipy,mhogg/scipy,zaxliu/scipy,perimosocordiae/scipy,woodscn/scipy,chatcannon/scipy,josephcslater/scipy,Dapid/scipy,maniteja123/scipy,Stefan-Endres/scipy,mhogg/scipy,jseabold/scipy,newemailjdm/scipy,Dapid/scipy,zaxliu/scipy,giorgiop/scipy,efiring/scipy,rmcgibbo/scipy,ilayn/scipy,WarrenWeckesser/scipy,hainm/scipy,futurulus/scipy,niknow/scipy,njwilson23/scipy,ChanderG/scipy,fernand/scipy,cpaulik/scipy,felipebetancur/scipy,pschella/scipy,bkendzior/scipy,gertingold/scipy,jjhelmus/scipy,WillieMaddox/scipy,aman-iitj/scipy,jseabold/scipy,ortylp/scipy,perimosocordiae/scipy,jsilter/scipy,vhaasteren/scipy,jonycgn/scipy,andyfaff/scipy,ndchorley/scipy,rmcgibbo/scipy,piyush0609/scipy,gertingold/scipy,surhudm/scipy,mortada/scipy,petebachant/scipy,dch312/scipy,gdooper/scipy,fredrikw/scipy,fredrikw/scipy,jsilter/scipy,petebachant/scipy,nonhermitian/scipy,e-q/scipy,WillieMaddox/scipy,Stefan-Endres/scipy,mortada/scipy,lhilt/scipy,maciejkula/scipy,cpaulik/scipy,larsmans/scipy,minhlongdo/scipy,surhudm/scipy,nmayorov/scipy,behzadnouri/scipy,sargas/scipy,rgommers/scipy,mikebenfield/scipy,njwilson23/scipy,andim/scipy,anielsen001/scipy,behzadnouri/scipy,jseabold/scipy,grlee77/scipy,ortylp/scipy,haudren/scipy,zaxliu/scipy,ales-erjavec/scipy,ChanderG/scipy,niknow/scipy,sonnyhu/scipy,argriffing/scipy,sauliusl/scipy,haudren/scipy,trankmichael/scipy,scipy/scipy,pyramania/scipy,mortada/scipy,perimosocordiae/scipy,richardotis/scipy,maciejkula/scipy,anielsen001/scipy,josephcslater/scipy,niknow/scipy,matthewalbani/scipy,vhaasteren/scipy,pizzathief/scipy,Kamp9/scipy,mtrbean/scipy,teoliphant/scipy,anntzer/scipy,teoliphant/scipy,arokem/scipy,lukauskas/scipy,arokem/scipy,vanpact/scipy,rgommers/scipy,jsilter/scipy,matthewalbani/scipy,ndchorley/scipy,jonycgn/scipy,aeklant/scipy,mhogg/scipy,woodscn/scipy,pizzathief/scipy,mgaitan/scipy,Shaswat27/scipy,vigna/scipy,pnedunuri/scipy,juliantaylor/scipy,WarrenWeckesser/scipy,nmayorov/scipy,Newman101/scipy,jonycgn/scipy,vanpact/scipy,ales-erjavec/scipy,ilayn/scipy,sonnyhu/scipy,behzadnouri/scipy,kalvdans/scipy,jonycgn/scipy,perimosocordiae/scipy,aman-iitj/scipy,pyramania/scipy,person142/scipy,perimosocordiae/scipy,niknow/scipy,FRidh/scipy,gef756/scipy,gdooper/scipy,matthew-brett/scipy,zxsted/scipy,kleskjr/scipy,Kamp9/scipy,aeklant/scipy,Kamp9/scipy,FRidh/scipy,efiring/scipy,ales-erjavec/scipy,lukauskas/scipy,jamestwebber/scipy,pschella/scipy,mortonjt/scipy,mikebenfield/scipy,Stefan-Endres/scipy,jor-/scipy,newemailjdm/scipy,Stefan-Endres/scipy,josephcslater/scipy,anntzer/scipy,vberaudi/scipy,aarchiba/scipy,woodscn/scipy,pnedunuri/scipy,vberaudi/scipy,gfyoung/scipy,juliantaylor/scipy,mikebenfield/scipy,sonnyhu/scipy,bkendzior/scipy,pizzathief/scipy,fernand/scipy,rgommers/scipy,lukauskas/scipy,kleskjr/scipy,nonhermitian/scipy,rgommers/scipy,maniteja123/scipy,Srisai85/scipy,efiring/scipy,efiring/scipy,anntzer/scipy,ndchorley/scipy,petebachant/scipy,behzadnouri/scipy,gef756/scipy,hainm/scipy,sriki18/scipy,Gillu13/scipy,larsmans/scipy,jamestwebber/scipy,Shaswat27/scipy,Srisai85/scipy,woodscn/scipy,ilayn/scipy,gef756/scipy,vhaasteren/scipy,scipy/scipy,FRidh/scipy,FRidh/scipy,zerothi/scipy,cpaulik/scipy,scipy/scipy,jor-/scipy,andim/scipy,efiring/scipy,vanpact/scipy,witcxc/scipy,hainm/scipy,maciejkula/scipy,befelix/scipy,tylerjereddy/scipy,pbrod/scipy,FRidh/scipy,jjhelmus/scipy,raoulbq/scipy,sonnyhu/scipy,njwilson23/scipy,argriffing/scipy,mdhaber/scipy,mtrbean/scipy,ilayn/scipy,e-q/scipy,person142/scipy,perimosocordiae/scipy,trankmichael/scipy,pschella/scipy,larsmans/scipy,arokem/scipy,dominicelse/scipy,maciejkula/scipy,nonhermitian/scipy,fernand/scipy,nvoron23/scipy,cpaulik/scipy,giorgiop/scipy,e-q/scipy,raoulbq/scipy,ilayn/scipy,njwilson23/scipy,kleskjr/scipy,jseabold/scipy,piyush0609/scipy,dominicelse/scipy,ogrisel/scipy,giorgiop/scipy,chatcannon/scipy,Srisai85/scipy,mtrbean/scipy,pizzathief/scipy,futurulus/scipy,sauliusl/scipy,sauliusl/scipy,matthew-brett/scipy,Newman101/scipy,fredrikw/scipy,teoliphant/scipy